Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
Chapter 1.2, Problem 2CC
Explain why “editing” is an appropriate metaphor for how natural selection acts on a population’s heritable variation
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explain why “editing” is a metaphor for how naturalselection acts on a population’s heritable variation
The genetics research lab has sequenced a genomic region with 1000000 basepair of an unknown species. Consider that there is a difference between each pair of these sequences of about 200 basepairs. There is a mutation rate of 1x10^-6 and the generation time is 10 yrs.
What is the effective population size of the species?
Find the coalescent time.
Discuss, using relevant examples, the following factors that affect Hardy-Weinberg equilibrium and thus shape diversity in a population: i) Natural selection, ii) Genetic drift; and iii) Migration
Chapter 1 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 1.1 - Starting with the molecular level in Figure 1.3,...Ch. 1.1 - Identify me theme or themes exemplified by (a) the...Ch. 1.1 - WHAT IF? For each theme discussed in this section...Ch. 1.2 - How is a mailing address analogous to biologys...Ch. 1.2 - Explain why editing is an appropriate metaphor for...Ch. 1.2 - DRAW IT Recent evidence indicates that fungi and...Ch. 1.3 - Contrast inductive reasoning with deductive...Ch. 1.3 - What qualitative observation led to the...Ch. 1.3 - Why is natural selection called a theory?Ch. 1.3 - How does science differ from technology?
Ch. 1 - All the organisms on your campus make up A. an...Ch. 1 - Which of the following best demonstrates the unity...Ch. 1 - Prob. 3TYUCh. 1 - Prob. 4TYUCh. 1 - Prob. 5TYUCh. 1 - DRAW IT With rough sketches, draw a biological...Ch. 1 - SCIENTIFIC INQUIRY Based on the results of the...Ch. 1 - Prob. 9TYUCh. 1 - FOCUS ON EVOLUTION In a short essay (100-150),...Ch. 1 - FOCUS ON INFORMATION A typical prokaryotic cell...Ch. 1 - SYNTHESI7F YOUR KNOWLEDGE Can you pick out the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is one important advantage of using environmental DNA (eDNA), instead of traditional field-based capture techniques, to study species distributions? 1)For a given population density and sampling effort, eDNA has a higher probability of detecting a species if it is present. 2)By looking at telomere length on the chromosomes found in an environmental 3)DNA sample, researchers can gather information about the age distribution of organisms in a population. 4)By looking at epigenetic marks on an environmental DNA sample, researchers can gather information about the health of the organisms in a population. 5)All of the abovearrow_forwardwhat would happen to the gene frequencies during this following scenarios? a. complete selection b. migration c. random genetic drift.arrow_forwardExplain why the Hardy-Weinberg model is better for short term (a few generations) predictions of allele and genotype frequencies.arrow_forward
- "Populations can adapt via genetic drift." Please explain in detail why this is false and a misconception.arrow_forwardWith respect to this form of natural selection, explain the meaning of the word directional.arrow_forwardNatural selection predicts that two species that came from a common ancestor should have high degree of correlation in their genomes. what aspect (use) of correlation am I using when apply it for this purpose?arrow_forward
- Assume you are studying a population of ocean shrimp that reproduce asexually. You sequence the ocean shrimp and the species that is their closest living relative that reproduces sexually. You find that the asexually reproducing species has a higher number of mutations in the genome. This finding would provide support for which of the following ideas? Linkage disequilibrium Stabilizing selection Disruptive selection Muller's ratchetarrow_forwardWhat is one important advantage of using environmental DNA (eDNA), instead of traditional field-based capture techniques, to study species distributions? 1.) For a given population density and sampling effort, eDNA has a higher probability of detecting a species if it is present. 2.) By looking at telomere length on the chromosomes found in an environmental DNA sample, researchers can gather information about the age distribution of organisms in a population. 3.) By looking at epigenetic marks on an environmental DNA sample, researchers can gather information about the health of the organisms in a population. 4.) All of the abovearrow_forwardIn general, what is the effect of complete selection, migration and random genetic drift on the gene frequencies of the population? complete selection migration random genetic driftarrow_forward
- Gene flow can have one effect in the context of a single population, and a different effect in the context of two populations that were recently isolated from one another. Describe with specificity the effect that gene flow has a) on a single population, as well as b) on two populations that were recently isolated from one another.arrow_forwardPlease answer the question in a short form, not long! Thanks! Question: Define natural selection and predict how and why the simulation above would be different if the dominant phenotype was being selected against.arrow_forwardGenetic drift is often described as a “chance event.” Give other examples of chance events that could cause a genetic bottleneck.arrow_forward
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